diff --git a/lib/node_modules/@stdlib/_tools/pkgs/deps/lib/sync.js b/lib/node_modules/@stdlib/_tools/pkgs/deps/lib/sync.js
index 04f2b2d06ae4..b8b469260857 100644
--- a/lib/node_modules/@stdlib/_tools/pkgs/deps/lib/sync.js
+++ b/lib/node_modules/@stdlib/_tools/pkgs/deps/lib/sync.js
@@ -32,12 +32,10 @@ var validate = require( './validate.js' );
 var resolveDeps = require( './resolve.sync.js' );
 var resolveDevDeps = require( './resolve_dev.sync.js' );
 
-
 // VARIABLES //
 
 var debug = logger( 'pkg-deps:sync' );
 
-
 // MAIN //
 
 /**
@@ -49,10 +47,8 @@ var debug = logger( 'pkg-deps:sync' );
 * @param {boolean} [options.builtins=false] - boolean indicating whether to include built-in packages
 * @param {boolean} [options.dev=false] - boolean indicating whether to resolve dev dependencies
 * @throws {TypeError} first argument must be an array of strings
-* @throws {TypeError} callback argument must be a function
 * @throws {TypeError} options argument must be an object
-* @throws {TypeError} must provide valid options
-* @returns {ObjectArray} resolved dependencies
+* @returns {ObjectArray|Error} resolved dependencies or an error
 *
 * @example
 * var pkgs = [ '/foo/bar/baz' ];
@@ -64,17 +60,26 @@ function pkgDeps( pkgs, options ) {
 	var results;
 	var opts;
 	var err;
+
+	// Validate input: `pkgs` must be an array of strings
 	if ( !isStringArray( pkgs ) ) {
 		throw new TypeError( format( 'invalid argument. First argument must be an array of strings. Value: `%s`.', pkgs ) );
 	}
+
+	// Copy default options and validate user-provided options
 	opts = copy( defaults );
 	if ( arguments.length > 1 ) {
+		debug( 'Validating options...' );
 		err = validate( opts, options );
 		if ( err ) {
+			debug( 'Options validation failed: %s', err.message );
 			throw err;
 		}
 	}
+
 	debug( 'Options: %s', JSON.stringify( opts ) );
+
+	// Resolve base directory
 	if ( opts.dir ) {
 		opts.dir = path.resolve( cwd(), opts.dir );
 	} else {
@@ -82,6 +87,7 @@ function pkgDeps( pkgs, options ) {
 	}
 	debug( 'Base directory: %s', opts.dir );
 
+	// Resolve package entry points
 	debug( 'Resolving package entry points...' );
 	results = entryPoints( pkgs, opts );
 	if ( results instanceof Error ) {
@@ -90,6 +96,7 @@ function pkgDeps( pkgs, options ) {
 	}
 	debug( 'Successfully resolved package entry points.' );
 
+	// Resolve main dependencies
 	debug( 'Resolving package dependencies...' );
 	results = resolveDeps( results, opts.builtins );
 	if ( results instanceof Error ) {
@@ -97,9 +104,13 @@ function pkgDeps( pkgs, options ) {
 		return results;
 	}
 	debug( 'Successfully resolved package dependencies.' );
+
+	// If dev dependencies are not required, return results
 	if ( opts.dev === false ) {
 		return results;
 	}
+
+	// Resolve dev dependencies
 	debug( 'Resolving package dev dependencies...' );
 	results = resolveDevDeps( results, opts );
 	if ( results instanceof Error ) {
@@ -107,6 +118,7 @@ function pkgDeps( pkgs, options ) {
 		return results;
 	}
 	debug( 'Successfully resolved package dev dependencies.' );
+
 	return results;
 }
 
diff --git a/lib/node_modules/@stdlib/stats/base/meanpn/lib/ndarray.js b/lib/node_modules/@stdlib/stats/base/meanpn/lib/ndarray.js
index 0707013def95..6845361d7c63 100644
--- a/lib/node_modules/@stdlib/stats/base/meanpn/lib/ndarray.js
+++ b/lib/node_modules/@stdlib/stats/base/meanpn/lib/ndarray.js
@@ -53,6 +53,7 @@ var gapxsumpw = require( '@stdlib/blas/ext/base/gapxsumpw' ).ndarray;
 * var v = meanpn( N, x, 2, 1 );
 * // returns 1.25
 */
+// cspell:ignore meanpn
 function meanpn( N, x, stride, offset ) {
 	var mu;
 	var c;